A new study by Tulane University researchers, published in the March edition of Molecular Endocrinology, provides insight into one of the ways diethylstilbesterol (DES) may alter the development of the uterus.
DES, a synthetic estrogen, was prescribed to prevent miscarriage in many women who were pregnant between 1941 until 1971. In 1971, DES was banned in the United States due to concerns about the occurrence of cancer and infertility in the daughters of women who took it.
“Several millions of pregnant women were treated with DES and we have continued to study and model the disease since it provides unique insights into what estrogenic chemicals may do to the developing fetus,” says study co-author John McLachlan, director of the Center for Bioenvironmental Research at Tulane and Xavier Universities. “There are other chemicals in our environment -- the results of industrial, agriculture and chemical processing -- that, while their estrogenic affect is weaker, may affect developing embryos in the same way. We need models to understand the cellular and genetic mechanisms by which environmental chemicals work. This study is a step in that direction.”
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MPQ scientists achieve long storage times for photonic quantum bits which break the lower bound for direct teleportation in a global quantum network.
Concerning the development of quantum memories for the realization of global quantum networks, scientists of the Quantum Dynamics Division led by Professor...
Researchers have developed a water cloaking concept based on electromagnetic forces that could eliminate an object's wake, greatly reducing its drag while...
Tiny pores at a cell's entryway act as miniature bouncers, letting in some electrically charged atoms--ions--but blocking others. Operating as exquisitely sensitive filters, these "ion channels" play a critical role in biological functions such as muscle contraction and the firing of brain cells.
To rapidly transport the right ions through the cell membrane, the tiny channels rely on a complex interplay between the ions and surrounding molecules,...
The miniaturization of the current technology of storage media is hindered by fundamental limits of quantum mechanics. A new approach consists in using so-called spin-crossover molecules as the smallest possible storage unit. Similar to normal hard drives, these special molecules can save information via their magnetic state. A research team from Kiel University has now managed to successfully place a new class of spin-crossover molecules onto a surface and to improve the molecule’s storage capacity. The storage density of conventional hard drives could therefore theoretically be increased by more than one hundred fold. The study has been published in the scientific journal Nano Letters.
Over the past few years, the building blocks of storage media have gotten ever smaller. But further miniaturization of the current technology is hindered by...
With innovative experiments, researchers at the Helmholtz-Zentrums Geesthacht and the Technical University Hamburg unravel why tiny metallic structures are extremely strong
Light-weight and simultaneously strong – porous metallic nanomaterials promise interesting applications as, for instance, for future aeroplanes with enhanced...
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14.12.2017 | Physics and Astronomy
14.12.2017 | Life Sciences
14.12.2017 | Life Sciences